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Diffstat (limited to 'sound/isa/wss/wss_lib.c')
-rw-r--r--sound/isa/wss/wss_lib.c81
1 files changed, 53 insertions, 28 deletions
diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index ac27832b2c6..5d2ba1b749a 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -181,25 +181,6 @@ static void snd_wss_wait(struct snd_wss *chip)
udelay(100);
}
-static void snd_wss_outm(struct snd_wss *chip, unsigned char reg,
- unsigned char mask, unsigned char value)
-{
- unsigned char tmp = (chip->image[reg] & mask) | value;
-
- snd_wss_wait(chip);
-#ifdef CONFIG_SND_DEBUG
- if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT)
- snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
-#endif
- chip->image[reg] = tmp;
- if (!chip->calibrate_mute) {
- wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg);
- wmb();
- wss_outb(chip, CS4231P(REG), tmp);
- mb();
- }
-}
-
static void snd_wss_dout(struct snd_wss *chip, unsigned char reg,
unsigned char value)
{
@@ -597,7 +578,15 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
chip->image[CS4231_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_LOOPBACK,
chip->image[CS4231_LOOPBACK]);
+ } else {
+ snd_wss_dout(chip, CS4231_LEFT_INPUT,
+ 0);
+ snd_wss_dout(chip, CS4231_RIGHT_INPUT,
+ 0);
+ snd_wss_dout(chip, CS4231_LOOPBACK,
+ 0xfd);
}
+
snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT,
mute | chip->image[CS4231_AUX1_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT,
@@ -640,7 +629,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
int full_calib = 1;
mutex_lock(&chip->mce_mutex);
- snd_wss_calibrate_mute(chip, 1);
if (chip->hardware == WSS_HW_CS4231A ||
(chip->hardware & WSS_HW_CS4232_MASK)) {
spin_lock_irqsave(&chip->reg_lock, flags);
@@ -656,6 +644,24 @@ static void snd_wss_playback_format(struct snd_wss *chip,
full_calib = 0;
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ } else if (chip->hardware == WSS_HW_AD1845) {
+ unsigned rate = params_rate(params);
+
+ /*
+ * Program the AD1845 correctly for the playback stream.
+ * Note that we do NOT need to toggle the MCE bit because
+ * the PLAYBACK_ENABLE bit of the Interface Configuration
+ * register is set.
+ *
+ * NOTE: We seem to need to write to the MSB before the LSB
+ * to get the correct sample frequency.
+ */
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (pdfr & 0xf0));
+ snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+ snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+ full_calib = 0;
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
}
if (full_calib) {
snd_wss_mce_up(chip);
@@ -673,7 +679,6 @@ static void snd_wss_playback_format(struct snd_wss *chip,
udelay(100); /* this seems to help */
snd_wss_mce_down(chip);
}
- snd_wss_calibrate_mute(chip, 0);
mutex_unlock(&chip->mce_mutex);
}
@@ -685,7 +690,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
int full_calib = 1;
mutex_lock(&chip->mce_mutex);
- snd_wss_calibrate_mute(chip, 1);
if (chip->hardware == WSS_HW_CS4231A ||
(chip->hardware & WSS_HW_CS4232_MASK)) {
spin_lock_irqsave(&chip->reg_lock, flags);
@@ -700,6 +704,24 @@ static void snd_wss_capture_format(struct snd_wss *chip,
full_calib = 0;
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ } else if (chip->hardware == WSS_HW_AD1845) {
+ unsigned rate = params_rate(params);
+
+ /*
+ * Program the AD1845 correctly for the capture stream.
+ * Note that we do NOT need to toggle the MCE bit because
+ * the PLAYBACK_ENABLE bit of the Interface Configuration
+ * register is set.
+ *
+ * NOTE: We seem to need to write to the MSB before the LSB
+ * to get the correct sample frequency.
+ */
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ snd_wss_out(chip, CS4231_REC_FORMAT, (cdfr & 0xf0));
+ snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff);
+ snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff);
+ full_calib = 0;
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
}
if (full_calib) {
snd_wss_mce_up(chip);
@@ -724,7 +746,6 @@ static void snd_wss_capture_format(struct snd_wss *chip,
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
}
- snd_wss_calibrate_mute(chip, 0);
mutex_unlock(&chip->mce_mutex);
}
@@ -781,6 +802,7 @@ static void snd_wss_init(struct snd_wss *chip)
{
unsigned long flags;
+ snd_wss_calibrate_mute(chip, 1);
snd_wss_mce_down(chip);
#ifdef SNDRV_DEBUG_MCE
@@ -804,6 +826,8 @@ static void snd_wss_init(struct snd_wss *chip)
snd_wss_mce_up(chip);
spin_lock_irqsave(&chip->reg_lock, flags);
+ chip->image[CS4231_IFACE_CTRL] &= ~CS4231_AUTOCALIB;
+ snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
snd_wss_out(chip,
CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]);
spin_unlock_irqrestore(&chip->reg_lock, flags);
@@ -837,6 +861,7 @@ static void snd_wss_init(struct snd_wss *chip)
chip->image[CS4231_REC_FORMAT]);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_wss_mce_down(chip);
+ snd_wss_calibrate_mute(chip, 0);
#ifdef SNDRV_DEBUG_MCE
snd_printk(KERN_DEBUG "init: (5)\n");
@@ -895,8 +920,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
mutex_unlock(&chip->open_mutex);
return;
}
- snd_wss_calibrate_mute(chip, 1);
-
/* disable IRQ */
spin_lock_irqsave(&chip->reg_lock, flags);
if (!(chip->hardware & WSS_HW_AD1848_MASK))
@@ -929,8 +952,6 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode)
wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */
spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_wss_calibrate_mute(chip, 0);
-
chip->mode = 0;
mutex_unlock(&chip->open_mutex);
}
@@ -1123,7 +1144,7 @@ irqreturn_t snd_wss_interrupt(int irq, void *dev_id)
if (chip->hardware & WSS_HW_AD1848_MASK)
wss_outb(chip, CS4231P(STATUS), 0);
else
- snd_wss_outm(chip, CS4231_IRQ_STATUS, status, 0);
+ snd_wss_out(chip, CS4231_IRQ_STATUS, status);
spin_unlock(&chip->reg_lock);
return IRQ_HANDLED;
}
@@ -1325,6 +1346,10 @@ static int snd_wss_probe(struct snd_wss *chip)
chip->image[CS4231_ALT_FEATURE_2] =
chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01;
}
+ /* enable fine grained frequency selection */
+ if (chip->hardware == WSS_HW_AD1845)
+ chip->image[AD1845_PWR_DOWN] = 8;
+
ptr = (unsigned char *) &chip->image;
regnum = (chip->hardware & WSS_HW_AD1848_MASK) ? 16 : 32;
snd_wss_mce_down(chip);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-24 12:38:31 +0000